To cite package ‘BFHtheme’ in publications use:

  Reventlow J (2026). _BFHtheme: BFH Theme and Color Palettes for
  ggplot2_. R package version 0.5.2,
  <https://github.com/johanreventlow/bfhtheme>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {BFHtheme: BFH Theme and Color Palettes for ggplot2},
    author = {Johan Reventlow},
    year = {2026},
    note = {R package version 0.5.2},
    url = {https://github.com/johanreventlow/bfhtheme},
  }